Home / 116,291.64-160,542.25-99,476.52

Finding the Fourth Proportional to 116,291.64, 160,542.25 and 99,476.52

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Solution

The fourth proportional to 116,291.64, 160,542.25 and 99,476.52 is: 137,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,291.64 : 160,542.25 = 99,476.52 : x
  2. Step 2: Convert to fraction form
    116,291.64/160,542.25 = 99,476.52/x
  3. Step 3: Cross multiply
    116,291.64x = 160,542.25 × 99,476.52
  4. Step 4: Simplify right side
    116,291.64x = 15,970,184,094.28
  5. Step 5: Solve for x
    x = 15,970,184,094.28/116,291.64
  6. Step 6: Final answer
    x = 137,328.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.